Podcast
Questions and Answers
Which coal classification has a high percentage of fixed carbon and a low percentage of volatile matter?
Which coal classification has a high percentage of fixed carbon and a low percentage of volatile matter?
- Bituminous
- Lignite
- Sub-bituminous
- Anthracite (correct)
Which coal classification is the largest group of coals and tends to produce a sticky, cohesive mass when heated?
Which coal classification is the largest group of coals and tends to produce a sticky, cohesive mass when heated?
- Lignite
- Bituminous (correct)
- Sub-bituminous
- Anthracite
Which coal classification has lower percentages of fixed carbon and higher percentages of volatile matter, making them burn faster and have a lower ignition temperature?
Which coal classification has lower percentages of fixed carbon and higher percentages of volatile matter, making them burn faster and have a lower ignition temperature?
- Bituminous
- Anthracite
- Lignite
- Sub-bituminous (correct)
Which type of coal has the highest calorific value?
Which type of coal has the highest calorific value?
Which type of coal is not well suited for stoker firing?
Which type of coal is not well suited for stoker firing?
Which type of coal is black in color and disintegrates when exposed to air?
Which type of coal is black in color and disintegrates when exposed to air?
Which type of coal has a layered structure and often contains remnants of woody fibers?
Which type of coal has a layered structure and often contains remnants of woody fibers?
Which equation shows the combustion of hydrogen?
Which equation shows the combustion of hydrogen?
What is the mass of dry flue gas produced per kilogram of fuel in Example 15?
What is the mass of dry flue gas produced per kilogram of fuel in Example 15?
What is the actual air supplied per kilogram of fuel in Example 15?
What is the actual air supplied per kilogram of fuel in Example 15?
What is the stoichiometric air per kilogram of fuel in Example 15?
What is the stoichiometric air per kilogram of fuel in Example 15?
